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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2014 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  
<a class="jxr_linenumber" name="17" href="#17">17</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.handler.ssl;
<a class="jxr_linenumber" name="18" href="#18">18</a>  
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffers;
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.handler.codec.base64.Base64;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.util.CharsetUtil;
<a class="jxr_linenumber" name="25" href="#25">25</a>  
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> java.io.ByteArrayOutputStream;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> java.io.File;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> java.io.FileInputStream;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> java.io.InputStream;
<a class="jxr_linenumber" name="31" href="#31">31</a>  <strong class="jxr_keyword">import</strong> java.io.OutputStream;
<a class="jxr_linenumber" name="32" href="#32">32</a>  <strong class="jxr_keyword">import</strong> java.security.KeyException;
<a class="jxr_linenumber" name="33" href="#33">33</a>  <strong class="jxr_keyword">import</strong> java.security.KeyStore;
<a class="jxr_linenumber" name="34" href="#34">34</a>  <strong class="jxr_keyword">import</strong> java.security.cert.CertificateException;
<a class="jxr_linenumber" name="35" href="#35">35</a>  <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="36" href="#36">36</a>  <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="37" href="#37">37</a>  <strong class="jxr_keyword">import</strong> java.util.regex.Matcher;
<a class="jxr_linenumber" name="38" href="#38">38</a>  <strong class="jxr_keyword">import</strong> java.util.regex.Pattern;
<a class="jxr_linenumber" name="39" href="#39">39</a>  
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * Reads a PEM file and converts it into a list of DERs so that they are imported into a {@link KeyStore} easily.</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <strong class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../org/jboss/netty/handler/ssl/PemReader.html">PemReader</a> {
<a class="jxr_linenumber" name="44" href="#44">44</a>  
<a class="jxr_linenumber" name="45" href="#45">45</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger = InternalLoggerFactory.getInstance(PemReader.<strong class="jxr_keyword">class</strong>);
<a class="jxr_linenumber" name="46" href="#46">46</a>  
<a class="jxr_linenumber" name="47" href="#47">47</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Pattern CERT_PATTERN = Pattern.compile(
<a class="jxr_linenumber" name="48" href="#48">48</a>              <span class="jxr_string">"-+BEGIN&#92;&#92;s+.*CERTIFICATE[^-]*-+(?:&#92;&#92;s|&#92;&#92;r|&#92;&#92;n)+"</span> + <em class="jxr_comment">// Header</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>                      <span class="jxr_string">"([a-z0-9+/=&#92;&#92;r&#92;&#92;n]+)"</span> +                    <em class="jxr_comment">// Base64 text</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>                      <span class="jxr_string">"-+END&#92;&#92;s+.*CERTIFICATE[^-]*-+"</span>,            <em class="jxr_comment">// Footer</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>              Pattern.CASE_INSENSITIVE);
<a class="jxr_linenumber" name="52" href="#52">52</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> Pattern KEY_PATTERN = Pattern.compile(
<a class="jxr_linenumber" name="53" href="#53">53</a>              <span class="jxr_string">"-+BEGIN&#92;&#92;s+.*PRIVATE&#92;&#92;s+KEY[^-]*-+(?:&#92;&#92;s|&#92;&#92;r|&#92;&#92;n)+"</span> + <em class="jxr_comment">// Header</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>                      <span class="jxr_string">"([a-z0-9+/=&#92;&#92;r&#92;&#92;n]+)"</span> +                       <em class="jxr_comment">// Base64 text</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>                      <span class="jxr_string">"-+END&#92;&#92;s+.*PRIVATE&#92;&#92;s+KEY[^-]*-+"</span>,            <em class="jxr_comment">// Footer</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>              Pattern.CASE_INSENSITIVE);
<a class="jxr_linenumber" name="57" href="#57">57</a>  
<a class="jxr_linenumber" name="58" href="#58">58</a>      <strong class="jxr_keyword">static</strong> <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a>[] readCertificates(File file) <strong class="jxr_keyword">throws</strong> CertificateException {
<a class="jxr_linenumber" name="59" href="#59">59</a>          String content;
<a class="jxr_linenumber" name="60" href="#60">60</a>          <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="61" href="#61">61</a>              content = readContent(file);
<a class="jxr_linenumber" name="62" href="#62">62</a>          } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="63" href="#63">63</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> CertificateException(<span class="jxr_string">"failed to read a file: "</span> + file, e);
<a class="jxr_linenumber" name="64" href="#64">64</a>          }
<a class="jxr_linenumber" name="65" href="#65">65</a>  
<a class="jxr_linenumber" name="66" href="#66">66</a>          List&lt;ChannelBuffer&gt; certs = <strong class="jxr_keyword">new</strong> ArrayList&lt;ChannelBuffer&gt;();
<a class="jxr_linenumber" name="67" href="#67">67</a>          Matcher m = CERT_PATTERN.matcher(content);
<a class="jxr_linenumber" name="68" href="#68">68</a>          <strong class="jxr_keyword">int</strong> start = 0;
<a class="jxr_linenumber" name="69" href="#69">69</a>          <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="70" href="#70">70</a>              <strong class="jxr_keyword">if</strong> (!m.find(start)) {
<a class="jxr_linenumber" name="71" href="#71">71</a>                  <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="72" href="#72">72</a>              }
<a class="jxr_linenumber" name="73" href="#73">73</a>  
<a class="jxr_linenumber" name="74" href="#74">74</a>              certs.add(Base64.decode(ChannelBuffers.copiedBuffer(m.group(1), CharsetUtil.US_ASCII)));
<a class="jxr_linenumber" name="75" href="#75">75</a>              start = m.end();
<a class="jxr_linenumber" name="76" href="#76">76</a>          }
<a class="jxr_linenumber" name="77" href="#77">77</a>  
<a class="jxr_linenumber" name="78" href="#78">78</a>          <strong class="jxr_keyword">if</strong> (certs.isEmpty()) {
<a class="jxr_linenumber" name="79" href="#79">79</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> CertificateException(<span class="jxr_string">"found no certificates: "</span> + file);
<a class="jxr_linenumber" name="80" href="#80">80</a>          }
<a class="jxr_linenumber" name="81" href="#81">81</a>  
<a class="jxr_linenumber" name="82" href="#82">82</a>          <strong class="jxr_keyword">return</strong> certs.toArray(<strong class="jxr_keyword">new</strong> <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a>[certs.size()]);
<a class="jxr_linenumber" name="83" href="#83">83</a>      }
<a class="jxr_linenumber" name="84" href="#84">84</a>  
<a class="jxr_linenumber" name="85" href="#85">85</a>      <strong class="jxr_keyword">static</strong> <a href="../../../../../org/jboss/netty/buffer/ChannelBuffer.html">ChannelBuffer</a> readPrivateKey(File file) <strong class="jxr_keyword">throws</strong> KeyException {
<a class="jxr_linenumber" name="86" href="#86">86</a>          String content;
<a class="jxr_linenumber" name="87" href="#87">87</a>          <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="88" href="#88">88</a>              content = readContent(file);
<a class="jxr_linenumber" name="89" href="#89">89</a>          } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="90" href="#90">90</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> KeyException(<span class="jxr_string">"failed to read a file: "</span> + file, e);
<a class="jxr_linenumber" name="91" href="#91">91</a>          }
<a class="jxr_linenumber" name="92" href="#92">92</a>  
<a class="jxr_linenumber" name="93" href="#93">93</a>          Matcher m = KEY_PATTERN.matcher(content);
<a class="jxr_linenumber" name="94" href="#94">94</a>          <strong class="jxr_keyword">if</strong> (!m.find()) {
<a class="jxr_linenumber" name="95" href="#95">95</a>              <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> KeyException(<span class="jxr_string">"found no private key: "</span> + file);
<a class="jxr_linenumber" name="96" href="#96">96</a>          }
<a class="jxr_linenumber" name="97" href="#97">97</a>  
<a class="jxr_linenumber" name="98" href="#98">98</a>          <strong class="jxr_keyword">return</strong> Base64.decode(ChannelBuffers.copiedBuffer(m.group(1), CharsetUtil.US_ASCII));
<a class="jxr_linenumber" name="99" href="#99">99</a>      }
<a class="jxr_linenumber" name="100" href="#100">100</a> 
<a class="jxr_linenumber" name="101" href="#101">101</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> String readContent(File file) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="102" href="#102">102</a>         InputStream in = <strong class="jxr_keyword">new</strong> FileInputStream(file);
<a class="jxr_linenumber" name="103" href="#103">103</a>         ByteArrayOutputStream out = <strong class="jxr_keyword">new</strong> ByteArrayOutputStream();
<a class="jxr_linenumber" name="104" href="#104">104</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="105" href="#105">105</a>             byte[] buf = <strong class="jxr_keyword">new</strong> byte[8192];
<a class="jxr_linenumber" name="106" href="#106">106</a>             <strong class="jxr_keyword">for</strong> (;;) {
<a class="jxr_linenumber" name="107" href="#107">107</a>                 <strong class="jxr_keyword">int</strong> ret = in.read(buf);
<a class="jxr_linenumber" name="108" href="#108">108</a>                 <strong class="jxr_keyword">if</strong> (ret &lt; 0) {
<a class="jxr_linenumber" name="109" href="#109">109</a>                     <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="110" href="#110">110</a>                 }
<a class="jxr_linenumber" name="111" href="#111">111</a>                 out.write(buf, 0, ret);
<a class="jxr_linenumber" name="112" href="#112">112</a>             }
<a class="jxr_linenumber" name="113" href="#113">113</a>             <strong class="jxr_keyword">return</strong> out.toString(CharsetUtil.US_ASCII.name());
<a class="jxr_linenumber" name="114" href="#114">114</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="115" href="#115">115</a>             safeClose(in);
<a class="jxr_linenumber" name="116" href="#116">116</a>             safeClose(out);
<a class="jxr_linenumber" name="117" href="#117">117</a>         }
<a class="jxr_linenumber" name="118" href="#118">118</a>     }
<a class="jxr_linenumber" name="119" href="#119">119</a> 
<a class="jxr_linenumber" name="120" href="#120">120</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> safeClose(InputStream in) {
<a class="jxr_linenumber" name="121" href="#121">121</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="122" href="#122">122</a>             in.close();
<a class="jxr_linenumber" name="123" href="#123">123</a>         } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="124" href="#124">124</a>             logger.warn(<span class="jxr_string">"Failed to close a stream."</span>, e);
<a class="jxr_linenumber" name="125" href="#125">125</a>         }
<a class="jxr_linenumber" name="126" href="#126">126</a>     }
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">void</strong> safeClose(OutputStream out) {
<a class="jxr_linenumber" name="129" href="#129">129</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="130" href="#130">130</a>             out.close();
<a class="jxr_linenumber" name="131" href="#131">131</a>         } <strong class="jxr_keyword">catch</strong> (IOException e) {
<a class="jxr_linenumber" name="132" href="#132">132</a>             logger.warn(<span class="jxr_string">"Failed to close a stream."</span>, e);
<a class="jxr_linenumber" name="133" href="#133">133</a>         }
<a class="jxr_linenumber" name="134" href="#134">134</a>     }
<a class="jxr_linenumber" name="135" href="#135">135</a> 
<a class="jxr_linenumber" name="136" href="#136">136</a>     <strong class="jxr_keyword">private</strong> <a href="../../../../../org/jboss/netty/handler/ssl/PemReader.html">PemReader</a>() { }
<a class="jxr_linenumber" name="137" href="#137">137</a> }
</pre>
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